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Over the last week, some areas of South Dakota and other Corn Belt states have received over 6 in. of rainfall, leading to ponded or flooded areas in fields. Water saturated or waterlogged soils lack enough oxygen for root respiration and many wonder, “How long can corn and soybeans plants at early growth stages survive in these waterlogged soils?”...More

You can now assess your corn’s nitrogen (N) needs every 24 hours. The Adapt-N online computer model, from Cornell University, simulates the complex processes in a corn field: local precipitation and temperatures, soil type, soil organic matter and slope, previous crops, inputs, tillage, planting date, population, hybrids, rotation, type and date of starter and yield potential. Using high-resolution weather information (3x3-mile grids), the web model tailors site-specific N recommendations to your farm in almost real time....More

One of the problems with a wet start to the season when planting gets compressed into short periods is the lack of time to apply preemergence herbicides and 28% before corn emerges. Most pre-emergence corn herbicides can be applied to emerged corn, and some of them have enough foliar activity to control small, emerged weeds without the need to add postemergence (post) herbicides....More

Last year, farmers didn't have nearly enough rain for their wilted, drought-ravaged crops. So far this year, they have too much of it – so much that they can't get into their fields to work them for corn planting....More

Wet soil conditions have caused delays in planting and in efforts to control existing weed vegetation. Much of the existing weed growth is comprised of winter annual species, such as common chickweed, henbit, purple deadnettle, etc., but emergence of several summer annual species also has begun....More

Farmers across the Corn Belt are eager to start planting corn or are in the early stages of planting their 2013 crop. If cool, wet weather continues, planting will be delayed for many growers and prompt questions about switching to earlier-season corn hybrids....More

The latest Crop Progress Report from USDA puts overall corn planted at just 5%. This is only 1 point ahead of last week, and is 26 points behind the five-year average. (Is it necessary to mention that last year nearly half of the overall corn crop was in the ground? Probably not.)...More